{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "Deletion of small nuclear ribonucleoprotein polypeptide N ( SNRPN ) in Prader - Willi syndrome detected by fluorescence in situ hybridization : two sibs with the typical phenotype without a cytogenetic deletion in chromosome 15q ."}
{"Disease": ["Prader - Willi syndrome"]}